2645655848576 has 32 divisors (see below), whose sum is σ = 5676076553700. Its totient is φ = 1221071929344.

The previous prime is 2645655848531. The next prime is 2645655848599. The reversal of 2645655848576 is 6758485565462.

It can be written as a sum of positive squares in 2 ways, for example, as 1906674918976 + 738980929600 = 1380824^2 + 859640^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794967041 + ... + 794970368.

Almost surely, 2^{2645655848576} is an apocalyptic number.

2645655848576 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2645655848576 is an abundant number, since it is smaller than the sum of its proper divisors (3030420705124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2645655848576 is a wasteful number, since it uses less digits than its factorization.

2645655848576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589937436 (or 1589937424 counting only the distinct ones).

The product of its digits is 1935360000, while the sum is 71.

The spelling of 2645655848576 in words is "two trillion, six hundred forty-five billion, six hundred fifty-five million, eight hundred forty-eight thousand, five hundred seventy-six".